<template>
  <div class="comment-reply">
    <!-- 头部信息 -->
    <van-nav-bar :title="`${comment.reply_count}条回复`">
      <van-icon slot="left" name="cross" @click="$emit('close')" />
    </van-nav-bar>
    <!-- /头部信息 -->

    <!-- 当前评论项 -->
    <comment-item :comment="comment" />
    <!-- /当前评论项 -->

    <!-- 所有评论回复 -->
    <van-cell title="所有回复" />
    <comment-list :source="comment.com_id" type="c" :list="commentList" />
    <!-- /所有评论回复 -->

    <!-- 底部区域 -->
    <div class="article-bottom">
      <van-button class="comment-btn" type="default" round size="small" @click="isPostShow = true">
        写评论
      </van-button>
    </div>
    <!-- /底部区域 -->
    <!-- 发布评论弹出层 -->
    <van-popup v-model="isPostShow" position="bottom">
      <comment-post
        :target="comment.com_id"
        :article-id="articleId"
        @post-success="onPostSuccess"
      />
    </van-popup>
    <!-- /发布评论弹出层 -->
  </div>
</template>

<script>
import CommentItem from './comment-item'
import CommentList from './comment-list'
import CommentPost from './comment-post'

export default {
  name: 'CommentReply',
  components: {
    CommentItem,
    CommentList,
    CommentPost
  },
  props: {
    comment: {
      type: Object,
      required: true
    },
    articleId: {
      type: [Number, String, Object],
      required: true
    }
  },
  data() {
    return {
      isPostShow: false,
      commentList: []
    }
  },
  computed: {},
  watch: {},
  created() {},
  mounted() {},
  // 方法集合
  methods: {
    onPostSuccess(comment) {
      // 将发布成功的评论放到评论列表的顶部
      this.commentList.unshift(comment)
      // 更新评论的回复数量
      this.comment.reply_count++
      // 关闭发布回复的弹出层
      this.isPostShow = false
    }
  }
}
</script>

<style lang="less" scoped>
.comment-reply {
  .article-bottom {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    box-sizing: border-box;
    height: 88px;
    border-top: 1px solid #d8d8d8;
    background-color: #fff;
    .comment-btn {
      width: 282px;
      height: 50px;
      border: 2px solid #eeeeee;
      font-size: 30px;
      line-height: 50px;
      color: #a7a7a7;
    }
  }
}
</style>
